| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Revolution in Ethical Theory | Hardcover | 978-0-19-824305-2 (0-19-824305-7) | 1966 |
| Three Philosophical Moralists: Mill, Kant and Sartre - An Introduction to Ethics | Paperback | 978-0-19-824227-7 (0-19-824227-1) | 1990 |
| Three Philosophical Moralists: Mill, Kant and Sartre - An Introduction to Ethics | Hardcover | 978-0-19-824228-4 (0-19-824228-X) | 1990 |